| 1 | <?xml version="1.0" encoding="iso-8859-1"?>
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| 2 | <!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
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| 3 | <refentry id="pam_winbind.7">
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| 4 |
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| 5 | <refmeta>
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| 6 | <refentrytitle>pam_winbind</refentrytitle>
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| 7 | <manvolnum>7</manvolnum>
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| 8 | <refmiscinfo class="source">Samba</refmiscinfo>
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| 9 | <refmiscinfo class="manual">7</refmiscinfo>
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| 10 | <refmiscinfo class="version">3.3</refmiscinfo>
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| 11 | </refmeta>
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| 12 |
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| 13 |
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| 14 | <refnamediv>
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| 15 | <refname>pam_winbind</refname>
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| 16 | <refpurpose>PAM module for Winbind</refpurpose>
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| 17 | </refnamediv>
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| 18 |
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| 19 | <refsect1>
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| 20 | <title>DESCRIPTION</title>
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| 21 |
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| 22 | <para>This tool is part of the <citerefentry><refentrytitle>samba</refentrytitle>
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| 23 | <manvolnum>7</manvolnum></citerefentry> suite.</para>
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| 24 |
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| 25 | <para>
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| 26 | pam_winbind is a PAM module that can authenticate users against the local domain by talking to the Winbind daemon.
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| 27 | </para>
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| 28 |
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| 29 | </refsect1>
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| 30 |
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| 31 | <refsect1>
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| 32 | <title>OPTIONS</title>
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| 33 | <para>
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| 34 |
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| 35 | pam_winbind supports several options which can either be set in
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| 36 | the PAM configuration files or in the pam_winbind configuration
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| 37 | file situated at
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| 38 | <filename>/etc/security/pam_winbind.conf</filename>. Options
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| 39 | from the PAM configuration file take precedence to those from
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| 40 | the configuration file.
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| 41 |
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| 42 | <variablelist>
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| 43 |
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| 44 | <varlistentry>
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| 45 | <term>debug</term>
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| 46 | <listitem><para>Gives debugging output to syslog.</para></listitem>
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| 47 | </varlistentry>
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| 48 |
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| 49 | <varlistentry>
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| 50 | <term>debug_state</term>
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| 51 | <listitem><para>Gives detailed PAM state debugging output to syslog.</para></listitem>
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| 52 | </varlistentry>
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| 53 |
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| 54 | <varlistentry>
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| 55 | <term>require_membership_of=[SID or NAME]</term>
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| 56 | <listitem><para>
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| 57 | If this option is set, pam_winbind will only succeed if the user is a member of the given SID or NAME. A SID
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| 58 | can be either a group-SID, an alias-SID or even an user-SID. It is also possible to give a NAME instead of the
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| 59 | SID. That name must have the form: <parameter>MYDOMAIN\\mygroup</parameter> or
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| 60 | <parameter>MYDOMAIN\\myuser</parameter>. pam_winbind will, in that case, lookup the SID internally. Note that
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| 61 | NAME may not contain any spaces. It is thus recommended to only use SIDs. You can verify the list of SIDs a
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| 62 | user is a member of with <command>wbinfo --user-sids=SID</command>.
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| 63 | </para></listitem>
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| 64 | </varlistentry>
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| 65 |
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| 66 | <varlistentry>
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| 67 | <term>try_first_pass</term>
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| 68 | <listitem><para></para></listitem>
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| 69 | </varlistentry>
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| 70 |
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| 71 | <varlistentry>
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| 72 | <term>use_first_pass</term>
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| 73 | <listitem><para>
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| 74 | By default, pam_winbind tries to get the authentication token from a previous module. If no token is available
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| 75 | it asks the user for the old password. With this option, pam_winbind aborts with an error if no authentication
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| 76 | token from a previous module is available.
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| 77 | </para></listitem>
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| 78 | </varlistentry>
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| 79 |
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| 80 | <varlistentry>
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| 81 | <term>use_authtok</term>
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| 82 | <listitem><para>
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| 83 | Set the new password to the one provided by the previously stacked password module. If this option is not set
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| 84 | pam_winbind will ask the user for the new password.
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| 85 | </para></listitem>
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| 86 | </varlistentry>
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| 87 |
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| 88 | <varlistentry>
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| 89 | <term>krb5_auth</term>
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| 90 | <listitem><para>
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| 91 |
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| 92 | pam_winbind can authenticate using Kerberos when winbindd is
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| 93 | talking to an Active Directory domain controller. Kerberos
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| 94 | authentication must be enabled with this parameter. When
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| 95 | Kerberos authentication can not succeed (e.g. due to clock
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| 96 | skew), winbindd will fallback to samlogon authentication over
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| 97 | MSRPC. When this parameter is used in conjunction with
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| 98 | <parameter>winbind refresh tickets</parameter>, winbind will
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| 99 | keep your Ticket Granting Ticket (TGT) uptodate by refreshing
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| 100 | it whenever necessary.
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| 101 |
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| 102 | </para></listitem>
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| 103 | </varlistentry>
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| 104 |
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| 105 | <varlistentry>
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| 106 | <term>krb5_ccache_type=[type]</term>
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| 107 | <listitem><para>
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| 108 |
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| 109 | When pam_winbind is configured to try kerberos authentication
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| 110 | by enabling the <parameter>krb5_auth</parameter> option, it can
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| 111 | store the retrieved Ticket Granting Ticket (TGT) in a
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| 112 | credential cache. The type of credential cache can be set with
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| 113 | this option. Currently the only supported value is:
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| 114 | <parameter>FILE</parameter>. In that case a credential cache in
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| 115 | the form of /tmp/krb5cc_UID will be created, where UID is
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| 116 | replaced with the numeric user id. Leave empty to just do
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| 117 | kerberos authentication without having a ticket cache after the
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| 118 | logon has succeeded.
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| 119 |
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| 120 | </para></listitem>
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| 121 | </varlistentry>
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| 122 |
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| 123 | <varlistentry>
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| 124 | <term>cached_login</term>
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| 125 | <listitem><para>
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| 126 | Winbind allows to logon using cached credentials when <parameter>winbind offline logon</parameter> is enabled. To use this feature from the PAM module this option must be set.
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| 127 | </para></listitem>
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| 128 | </varlistentry>
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| 129 |
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| 130 | <varlistentry>
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| 131 | <term>silent</term>
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| 132 | <listitem><para>
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| 133 | Do not emit any messages.
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| 134 | </para></listitem>
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| 135 | </varlistentry>
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| 136 |
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| 137 | <varlistentry>
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| 138 | <term>mkhomedir</term>
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| 139 | <listitem><para>
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| 140 | Create homedirectory for a user on-the-fly, option is valid in
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| 141 | PAM session block.
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| 142 | </para></listitem>
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| 143 | </varlistentry>
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| 144 |
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| 145 | <varlistentry>
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| 146 | <term>warn_pwd_expire</term>
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| 147 | <listitem><para>
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| 148 | Defines number of days before pam_winbind starts to warn about passwords that are
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| 149 | going to expire. Defaults to 14 days.
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| 150 | </para></listitem>
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| 151 | </varlistentry>
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| 152 |
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| 153 | </variablelist>
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| 154 |
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| 155 | </para>
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| 156 |
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| 157 | </refsect1>
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| 158 |
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| 159 | <refsect1>
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| 160 | <title>SEE ALSO</title>
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| 161 | <para><citerefentry>
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| 162 | <refentrytitle>wbinfo</refentrytitle>
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| 163 | <manvolnum>1</manvolnum></citerefentry>, <citerefentry>
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| 164 | <refentrytitle>winbindd</refentrytitle>
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| 165 | <manvolnum>8</manvolnum></citerefentry>, <citerefentry>
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| 166 | <refentrytitle>smb.conf</refentrytitle>
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| 167 | <manvolnum>5</manvolnum></citerefentry></para>
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| 168 | </refsect1>
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| 169 |
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| 170 | <refsect1>
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| 171 | <title>VERSION</title>
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| 172 |
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| 173 | <para>This man page is correct for version 3 of Samba.</para>
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| 174 | </refsect1>
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| 175 |
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| 176 | <refsect1>
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| 177 | <title>AUTHOR</title>
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| 178 |
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| 179 | <para>
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| 180 | The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by
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| 181 | the Samba Team as an Open Source project similar to the way the Linux kernel is developed.
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| 182 | </para>
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| 183 |
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| 184 | <para>This manpage was written by Jelmer Vernooij and Guenther Deschner.</para>
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| 185 |
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| 186 | </refsect1>
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| 187 |
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| 188 | </refentry>
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